Blasts rock Pa. welding firm; 5 civilians injured

COLLINGDALE, Pa. – A series of explosions at a welding supply company on Wednesday injured 5 people, forced evacuations and sent thick black smoke billowing over the area.The explosions at Scully Welding Supply occurred around 1 p.m. in an industrial area about seven miles southwest of Philadelphia, Delaware County spokesman Bill Lovejoy said. Buildings in…